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| DOI: | 10.2134/jeq2005.0073 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/articles/34/5/1910
Last checked: 11/07/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/pdfs/34/5/1910
Last checked: 11/08/2016
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Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Wallach, R.;
Ben-Arie, O.;
Graber, E. R. |
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| Author Affiliation: | Wallach and Ben-Arie: Faculty of Agricultural, Food, and Environmental Quality Sciences, Department of Soil and Water Science, Hebrew University of Jerusalem, Rehovot, Israel; Graber: Institute of Soil, Water and Environmental Sciences, The Volcari Center, Agricultural Research Organization, Bet Dagon, Israel |
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| Title: | Soil water repellency induced by long-term irrigation with treated sewage effluent |
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| Section: | Waste management
Other records with the "Waste management" Section
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| Source: | Journal of Environmental Quality. Vol. 34, No. 5, September/October 2005, p. 1910-1920. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| # of Pages: | 11 |
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| Keywords: | TIC Keywords: Water repellency; Soil water; Irrigation; Sewage effluent; Soil moisture; Organic matter; Preferential flow
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| Abstract/Contents: | "This study describes soil water repellency developed under prolonged irrigation with treated sewage effluent in a semiarid environment. Soil surface layer (0-5 cm) and soil profile (0-50 cm) transects were sampled at a high resolution at the close of the irrigation season and rainy winter season. Samples from 0- to 5-cm transects were subdivided into 1-cm slices to obtain fine scale resolution of repellency and organic matter distribution. Extreme to severe soil water repellency in the 0- to 5-cm soil surface layer persisted throughout the 2-yr study period in the effluent-irrigated Shamouti orange [Citrus sinensis (L.) Osbeck cv. Shamouti] orchard plot. Nearby Shamouti orange plots irrigated with tap water were either nonrepellent or only somewhat repellent. Repellency was very variable spatially and with depth, appearing in vertically oriented "repellency tongues." Temporal and spatial variability in repellency in the uppermost 5-cm soil surface layer was not related to seasonality, soil moisture content, or soil organic matter content. Nonuniform distribution of soil moisture and fingered flow were observed in the soil profile after both seasons, demonstrating that the repellent layer had a persistent effect on water flow in the soil profile. A lack of correlation between bulk density and volumetric water content in the soil profile demonstrates that the observed nonuniform spatial distribution of moisture results from preferential flow and not heterogeneity in soil properties. Soil water repellency can adversely affect agricultural production, cause contamination of underlying ground water resources, and result in excessive runoff and soil erosion." |
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| Language: | English |
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| References: | 70 |
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| Note: | Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wallach, R., O. Ben-Arie, and E. R. Graber. 2005. Soil water repellency induced by long-term irrigation with treated sewage effluent. J. Environ. Qual. 34(5):p. 1910-1920. |
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| DOI: 10.2134/jeq2005.0073 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/articles/34/5/1910
Last checked: 11/07/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/pdfs/34/5/1910
Last checked: 11/08/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2225072a |
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